Seiko Cal. 5691 - 406

The 5691-406 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-704e579c7b51]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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